Question: a given that pa035 pb040 and pab020 find pab b...

a. Given that P(A)=0.35, P(B)=0.40 and P(A∩B)=0.20, find P(A∪B)

b. Given that P(A)=0.35, P(B)=0.40 and P(A∩B)=0.20, find P(A∩B ̅ ), "the probability of A intersect B complement"